Examiner Brian D. Nguyen
Grant ratio: 87.3% (86th percentile in Art Unit 2472 among examiners with at least 20 applications). Average office actions per grant: 1.29. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 76525
- Primary art unit
- 2472
- Work group
- 2470
- Technology center
- 2400
- Applications
- 1,321
- Granted applications
- 1,153
- Examiner phone
- (571) 272-3084
- Supervisor
- Khaled Kassim
- Supervisor phone
- (571) 270-3770
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 31 | 59.9% | 1.72 |
| Group | 202 | 63.7% | 1.93 |
| Tech Center | 1,754 | 58.4% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 2 | 0.2% |
| 1 OA | 1,047 | 79.3% |
| 2 OAs | 214 | 16.2% |
| 3 OAs | 35 | 2.6% |
| 4 OAs | 12 | 0.9% |
| 5+ OAs | 11 | 0.8% |
Each application is counted once. “5+” includes all higher counts.
Grant history
Recent ratios may be lower while applications remain pending.
Yearly counts
| Year | Applications | Grants | Grant rate |
|---|---|---|---|
| 2008 | 52 | 45 | 86.5% |
| 2009 | 71 | 62 | 87.3% |
| 2010 | 83 | 75 | 90.4% |
| 2011 | 66 | 59 | 89.4% |
| 2012 | 74 | 66 | 89.2% |
| 2013 | 58 | 53 | 91.4% |
| 2014 | 81 | 77 | 95.1% |
| 2015 | 56 | 53 | 94.6% |
| 2016 | 93 | 82 | 88.2% |
| 2017 | 87 | 82 | 94.3% |
| 2018 | 77 | 74 | 96.1% |
| 2019 | 71 | 68 | 95.8% |
| 2020 | 79 | 78 | 98.7% |
| 2021 | 65 | 61 | 93.8% |
| 2022 | 63 | 58 | 92.1% |
| 2023 | 66 | 63 | 95.5% |
| 2024 | 58 | 56 | 96.6% |
| 2025 | 80 | 41 | 51.3% |
| 2026 | 41 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,319 | 3.9% | 14.3% | 45.6% | 18.0% |
| Action 2 | 272 | 0.4% | 12.1% | 48.9% | 18.4% |
| Action 3 | 58 | 0.0% | 13.8% | 65.5% | 8.6% |
| Action 4 | 23 | 4.3% | 17.4% | 52.2% | 13.0% |
| Action 5 | 11 | 0.0% | 9.1% | 54.5% | 18.2% |
| Action 6 | 4 | 0.0% | 0.0% | 25.0% | 25.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
2.2%
6.7%
0.8%
11.5%
5.3%
1.2%
2014: Alice
3.2%
1.4%
6.0%
2.0%
5.7%
2019: PEG
2.2%
1.0%
0.0%
2.8%
0.0%
2024: AI examples
4.3%
2025: August memo
0.0%
2.3%
Each bar is the percentage of office actions with a §101 rejection.
PTAB appeals
No PTAB decisions could be matched to this examiner.
Older and transferred applications may not have a reliable examiner match. Data through Aug. 27, 2026.